<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>无标题文档</title>
<style type="text/css">
	.high
	{
		font-weight:bold;
		color:red;
	}
	.another
	{
		font-style:italic;
		color:blue;
	}
</style>
<script src="../scripts/jquery-1.3.1.js"></script>
  <script type="text/javascript">
  	$(function(){
  		$("p").attr("class","class+another");
  	})
  
        //获取p标签的class
      
       ////将p标签的class属性改成class+another
     
        //点击link交替两种样式
      </script>

</head>

<body>
	<h3>例子</h3>
	<p title="选择你最喜欢的水果" class="high" id="link">选择你最喜欢的水果</p>
	<ul id="uu">
		<li>苹果</li>
		<li>橘子</li>
		<li>菠萝</li>
	</ul>
</body>
</html>
